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Finding the Fourth Proportional to 168,187.56, 252,264.96 and 68,353.74

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Solution

The fourth proportional to 168,187.56, 252,264.96 and 68,353.74 is: 102,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,187.56 : 252,264.96 = 68,353.74 : x
  2. Step 2: Convert to fraction form
    168,187.56/252,264.96 = 68,353.74/x
  3. Step 3: Cross multiply
    168,187.56x = 252,264.96 × 68,353.74
  4. Step 4: Simplify right side
    168,187.56x = 17,243,253,486.95
  5. Step 5: Solve for x
    x = 17,243,253,486.95/168,187.56
  6. Step 6: Final answer
    x = 102,523.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.